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[Bug 1524963] [NEW] Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4', unhandled serial type'

 

Public bug reported:

I see these warnings in the journalctl after every boot, on Ubuntu
15.10:


```
Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4', unhandled serial type'
Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port
Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Modem couldn't be initialized: Couldn't check unlock status: SIM not inserted
```

Any clues what this could be and why modem can't be initialized?
--- 
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
DistroRelease: Ubuntu 15.10
InstallationDate: Installed on 2015-05-22 (202 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
Package: modemmanager 1.4.10-1ubuntu2
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Tags:  wily
Uname: Linux 4.2.0-19-generic x86_64
UpgradeStatus: Upgraded to wily on 2015-11-15 (24 days ago)
UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
_MarkForUpload: True

** Affects: modemmanager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected wily

** Tags added: apport-collected wily

** Description changed:

  I see these warnings in the journalctl after every boot, on Ubuntu
  15.10:
  
  
  ```
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4', unhandled serial type'
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Modem couldn't be initialized: Couldn't check unlock status: SIM not inserted
  ```
  
  Any clues what this could be and why modem can't be initialized?
+ --- 
+ ApportVersion: 2.19.1-0ubuntu5
+ Architecture: amd64
+ CurrentDesktop: Unity
+ DistroRelease: Ubuntu 15.10
+ InstallationDate: Installed on 2015-05-22 (202 days ago)
+ InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
+ Package: modemmanager 1.4.10-1ubuntu2
+ PackageArchitecture: amd64
+ ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
+ Tags:  wily
+ Uname: Linux 4.2.0-19-generic x86_64
+ UpgradeStatus: Upgraded to wily on 2015-11-15 (24 days ago)
+ UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
+ _MarkForUpload: True

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to modemmanager in Ubuntu.
https://bugs.launchpad.net/bugs/1524963

Title:
  Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4',
  unhandled serial type'

Status in modemmanager package in Ubuntu:
  New

Bug description:
  I see these warnings in the journalctl after every boot, on Ubuntu
  15.10:

  
  ```
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4', unhandled serial type'
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port
  Dec 11 09:18:08 M2 ModemManager[816]: <warn>  Modem couldn't be initialized: Couldn't check unlock status: SIM not inserted
  ```

  Any clues what this could be and why modem can't be initialized?
  --- 
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2015-05-22 (202 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  Package: modemmanager 1.4.10-1ubuntu2
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  Tags:  wily
  Uname: Linux 4.2.0-19-generic x86_64
  UpgradeStatus: Upgraded to wily on 2015-11-15 (24 days ago)
  UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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